Finally,in November, nineteen sixty-nine, the United States government ruled that the use of DDT must stop in two years.

VOA: special.2010.03.14

Nothing much can stop it. Americans still use the expression "to bulldoze" but mainly in political situations.

VOA: special.2009.02.15

By the nineteen-twenties, sports organizations were attempting to stop the use of doping substances.

VOA: special.2011.04.12

(SAYING) He says he tells his students that they should use manure, which feeds the plants, but does not stop there.

VOA: standard.2010.04.01

"The new cap is good news." "Either we will be able to use it to stop the flow, or we will be able to use it to capture almost all of the oil until the relief well is done.

VOA: standard.2010.07.16